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A stopper tied to the end of a string is swung in a horizontal circle. The string makes a 10.0 degree angle with the horizontal.If the mass of the stopper is 33.0 g, and the string is 75.0 cm,and the stopper revolves at a constant speed,
a) what is the tension on the string?
b) What is the tangential velocity of the stopper?
The turntable of a record player has an angular speed of 9.7
A spring with k=620 N/M is stretched with a tension of 40 N. What is the potential energy of the stretched spring
the magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 50.0
A charge of uniform volume density 40nc/m3 fills acube with 8.0 cm edges. What is the total electric flux through the surface of this cube?
A uniform 1.6-kg rod that is 0.91 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
A 1.20-kg block of wood sits at the edge of a table, 0.782 m above the floor. What horizontal distance does the block cover before hitting the ground
A uniform electric field of magnitude 300 V/m is directed in the positive x direction. A +10.0 µC charge moves from the origin to thepoint (x, y) = (20.0 cm, 50.0 cm).
A 0.10-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift
Raindrops fall 1400 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving when they struck the ground
Explain how long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 425 {rm m}?
At t=0, a 734 g mass at rest on the end of a horizontal spring (k= 113N/m) is struck by a hammer, Determine the amplitude, maximum acceleration and total energy
A Ping Pong ball is a hollow, air-filled sphere. One such Ping Pong ball has a radius of 2.25 cm and a mass of 3.5 g. When the ball is placed a few centimeters below the surface of body of fresh water and released, the ball will accelerate upwards
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